Aepyornithomimus Tugrikinensis
''Aepyornithomimus'' (meaning "'' Aepyornis'' mimic") is a genus of ornithomimid theropod dinosaur from the Late Cretaceous Djadokhta Formation in Mongolia. It lived in the Campanian, around 75 million years ago, when the area is thought to have been a desert. The type and only species is ''A. tugrikinensis''. History of discovery The holotype specimen, MPC-D 100/130, was discovered in sediments at the Tögrögiin Shiree locality of the Djadokhta Formation, a locality that is interpreted to be composed of semi-arid eolian sediments with irregular, light gray and cross-bedded sands and sandstones, by Shigeru Suzuki during a joint Japanese (HMNS)—Mongolian (IPG) paleontological expedition to the Gobi Desert in 1994. The specimen consists of an almost complete articulated left pes preserved with partial astragalus, complete calcaneum, and the lower tarsal III; it is now housed at the Institute of Paleontology and Geology of the Mongolian Academy of Sciences. MPC-D ...
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Late Cretaceous
The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', the Latin word for the white limestone known as chalk. The chalk of northern France and the white cliffs of south-eastern England date from the Cretaceous Period. Climate During the Late Cretaceous, the climate was warmer than present, although throughout the period a cooling trend is evident. The tropics became restricted to equatorial regions and northern latitudes experienced markedly more seasonal climatic conditions. Geography Due to plate tectonics, the Americas were gradually moving westward, causing the Atlantic Ocean to expand. The Western Interior Seaway divided North America into eastern and western halves; Appalachia and Laramidia. India maintained a northward course towards Asia. In the Southern Hemisphere, Australia and Ant ...
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